diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2012-11-21 10:38:13 +0000 |
---|---|---|
committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-11-21 10:38:13 +0000 |
commit | 851462444d421c223965b12b836bef63da61b57f (patch) | |
tree | 495baa14e638817941496c36e1443aed7dae0ea0 /net/mac80211 | |
parent | 5a6ea4af0907f995dc06df21a9c9ef764c7cd3bc (diff) | |
parent | 6924d99fcdf1a688538a3cdebd1f135c22eec191 (diff) | |
download | op-kernel-dev-851462444d421c223965b12b836bef63da61b57f.zip op-kernel-dev-851462444d421c223965b12b836bef63da61b57f.tar.gz |
Merge branch 'for-3.7' of git://git.infradead.org/users/dedekind/l2-mtd
Conflicts:
drivers/mtd/nand/nand_base.c
Diffstat (limited to 'net/mac80211')
-rw-r--r-- | net/mac80211/ibss.c | 2 | ||||
-rw-r--r-- | net/mac80211/iface.c | 2 | ||||
-rw-r--r-- | net/mac80211/mesh_sync.c | 3 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 35 | ||||
-rw-r--r-- | net/mac80211/rx.c | 74 | ||||
-rw-r--r-- | net/mac80211/sta_info.c | 4 | ||||
-rw-r--r-- | net/mac80211/status.c | 4 | ||||
-rw-r--r-- | net/mac80211/tx.c | 22 | ||||
-rw-r--r-- | net/mac80211/util.c | 46 | ||||
-rw-r--r-- | net/mac80211/wpa.c | 14 |
10 files changed, 145 insertions, 61 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 5f3620f..bf87c70 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1108,7 +1108,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH; sdata->u.ibss.ibss_join_req = jiffies; - memcpy(sdata->u.ibss.ssid, params->ssid, IEEE80211_MAX_SSID_LEN); + memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len); sdata->u.ibss.ssid_len = params->ssid_len; mutex_unlock(&sdata->u.ibss.mtx); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 6f8a73c..7de7717 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -853,7 +853,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (info->control.vif == &sdata->vif) { __skb_unlink(skb, &local->pending[i]); - dev_kfree_skb_irq(skb); + ieee80211_free_txskb(&local->hw, skb); } } } diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c index accfa00..a16b7b4 100644 --- a/net/mac80211/mesh_sync.c +++ b/net/mac80211/mesh_sync.c @@ -56,7 +56,6 @@ void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata) u64 tsfdelta; spin_lock_bh(&ifmsh->sync_offset_lock); - if (ifmsh->sync_offset_clockdrift_max < beacon_int_fraction) { msync_dbg(sdata, "TBTT : max clockdrift=%lld; adjusting\n", (long long) ifmsh->sync_offset_clockdrift_max); @@ -69,11 +68,11 @@ void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata) tsfdelta = -beacon_int_fraction; ifmsh->sync_offset_clockdrift_max -= beacon_int_fraction; } + spin_unlock_bh(&ifmsh->sync_offset_lock); tsf = drv_get_tsf(local, sdata); if (tsf != -1ULL) drv_set_tsf(local, sdata, tsf + tsfdelta); - spin_unlock_bh(&ifmsh->sync_offset_lock); } static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e714ed8..1b7eed2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3099,22 +3099,32 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata, ht_cfreq, ht_oper->primary_chan, cbss->channel->band); ht_oper = NULL; + } else { + channel_type = NL80211_CHAN_HT20; } } - if (ht_oper) { - channel_type = NL80211_CHAN_HT20; + if (ht_oper && sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { + /* + * cfg80211 already verified that the channel itself can + * be used, but it didn't check that we can do the right + * HT type, so do that here as well. If HT40 isn't allowed + * on this channel, disable 40 MHz operation. + */ - if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { - switch (ht_oper->ht_param & - IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { - case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40PLUS) + ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ; + else channel_type = NL80211_CHAN_HT40PLUS; - break; - case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + if (cbss->channel->flags & IEEE80211_CHAN_NO_HT40MINUS) + ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ; + else channel_type = NL80211_CHAN_HT40MINUS; - break; - } + break; } } @@ -3549,6 +3559,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; u8 frame_buf[IEEE80211_DEAUTH_FRAME_LEN]; + bool tx = !req->local_state_change; mutex_lock(&ifmgd->mtx); @@ -3565,12 +3576,12 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, if (ifmgd->associated && ether_addr_equal(ifmgd->associated->bssid, req->bssid)) { ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, - req->reason_code, true, frame_buf); + req->reason_code, tx, frame_buf); } else { drv_mgd_prepare_tx(sdata->local, sdata); ieee80211_send_deauth_disassoc(sdata, req->bssid, IEEE80211_STYPE_DEAUTH, - req->reason_code, true, + req->reason_code, tx, frame_buf); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 61c621e..00ade7f 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -531,6 +531,11 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) if (ieee80211_is_action(hdr->frame_control)) { u8 category; + + /* make sure category field is present */ + if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE) + return RX_DROP_MONITOR; + mgmt = (struct ieee80211_mgmt *)hdr; category = mgmt->u.action.category; if (category != WLAN_CATEGORY_MESH_ACTION && @@ -883,14 +888,16 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) */ if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION && ieee80211_is_data_present(hdr->frame_control)) { - u16 ethertype; - u8 *payload; - - payload = rx->skb->data + - ieee80211_hdrlen(hdr->frame_control); - ethertype = (payload[6] << 8) | payload[7]; - if (cpu_to_be16(ethertype) == - rx->sdata->control_port_protocol) + unsigned int hdrlen; + __be16 ethertype; + + hdrlen = ieee80211_hdrlen(hdr->frame_control); + + if (rx->skb->len < hdrlen + 8) + return RX_DROP_MONITOR; + + skb_copy_bits(rx->skb, hdrlen + 6, ðertype, 2); + if (ethertype == rx->sdata->control_port_protocol) return RX_CONTINUE; } @@ -1462,11 +1469,14 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) hdr = (struct ieee80211_hdr *)rx->skb->data; fc = hdr->frame_control; + + if (ieee80211_is_ctl(fc)) + return RX_CONTINUE; + sc = le16_to_cpu(hdr->seq_ctrl); frag = sc & IEEE80211_SCTL_FRAG; if (likely((!ieee80211_has_morefrags(fc) && frag == 0) || - (rx->skb)->len < 24 || is_multicast_ether_addr(hdr->addr1))) { /* not fragmented */ goto out; @@ -1889,6 +1899,20 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) hdr = (struct ieee80211_hdr *) skb->data; hdrlen = ieee80211_hdrlen(hdr->frame_control); + + /* make sure fixed part of mesh header is there, also checks skb len */ + if (!pskb_may_pull(rx->skb, hdrlen + 6)) + return RX_DROP_MONITOR; + + mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + + /* make sure full mesh header is there, also checks skb len */ + if (!pskb_may_pull(rx->skb, + hdrlen + ieee80211_get_mesh_hdrlen(mesh_hdr))) + return RX_DROP_MONITOR; + + /* reload pointers */ + hdr = (struct ieee80211_hdr *) skb->data; mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); /* frame is in RMC, don't forward */ @@ -1897,7 +1921,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) return RX_DROP_MONITOR; - if (!ieee80211_is_data(hdr->frame_control)) + if (!ieee80211_is_data(hdr->frame_control) || + !(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; if (!mesh_hdr->ttl) @@ -1911,9 +1936,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) if (is_multicast_ether_addr(hdr->addr1)) { mpp_addr = hdr->addr3; proxied_addr = mesh_hdr->eaddr1; - } else { + } else if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6) { + /* has_a4 already checked in ieee80211_rx_mesh_check */ mpp_addr = hdr->addr4; proxied_addr = mesh_hdr->eaddr2; + } else { + return RX_DROP_MONITOR; } rcu_read_lock(); @@ -1941,12 +1969,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) } skb_set_queue_mapping(skb, q); - if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) - goto out; - if (!--mesh_hdr->ttl) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl); - return RX_DROP_MONITOR; + goto out; } if (!ifmsh->mshcfg.dot11MeshForwarding) @@ -2353,6 +2378,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_SELF_PROTECTED: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.self_prot.action_code))) + break; + switch (mgmt->u.action.u.self_prot.action_code) { case WLAN_SP_MESH_PEERING_OPEN: case WLAN_SP_MESH_PEERING_CLOSE: @@ -2371,6 +2400,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_MESH_ACTION: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.mesh_action.action_code))) + break; + if (!ieee80211_vif_is_mesh(&sdata->vif)) break; if (mesh_action_is_path_sel(mgmt) && @@ -2913,10 +2946,15 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc)) local->dot11ReceivedFragmentCount++; - if (ieee80211_is_mgmt(fc)) - err = skb_linearize(skb); - else + if (ieee80211_is_mgmt(fc)) { + /* drop frame if too short for header */ + if (skb->len < ieee80211_hdrlen(fc)) + err = -ENOBUFS; + else + err = skb_linearize(skb); + } else { err = !pskb_may_pull(skb, ieee80211_hdrlen(fc)); + } if (err) { dev_kfree_skb(skb); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 797dd36..0a4e4c0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -650,7 +650,7 @@ static bool sta_info_cleanup_expire_buffered_ac(struct ieee80211_local *local, */ if (!skb) break; - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } /* @@ -679,7 +679,7 @@ static bool sta_info_cleanup_expire_buffered_ac(struct ieee80211_local *local, local->total_ps_buffered--; ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n", sta->sta.addr); - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } /* diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 2ce8973..3af0cc4 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, skb_queue_len(&local->skb_queue_unreliable); while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT && (skb = skb_dequeue(&local->skb_queue_unreliable))) { - dev_kfree_skb_irq(skb); + ieee80211_free_txskb(hw, skb); tmp--; I802_DEBUG_INC(local->tx_status_drop); } @@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n", skb_queue_len(&sta->tx_filtered[ac]), !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies); - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e0e0d1d..c9bf83f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) total += skb_queue_len(&sta->ps_tx_buf[ac]); if (skb) { purged++; - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); break; } } @@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) ps_dbg(tx->sdata, "STA %pM TX buffer for AC %d full - dropping oldest frame\n", sta->sta.addr, ac); - dev_kfree_skb(old); + ieee80211_free_txskb(&local->hw, old); } else tx->local->total_ps_buffered++; @@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, spin_unlock(&tx->sta->lock); if (purge_skb) - dev_kfree_skb(purge_skb); + ieee80211_free_txskb(&tx->local->hw, purge_skb); } /* reset session timer */ @@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local, #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (WARN_ON_ONCE(q >= local->hw.queues)) { __skb_unlink(skb, skbs); - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); continue; } #endif @@ -1356,7 +1356,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx) if (unlikely(res == TX_DROP)) { I802_DEBUG_INC(tx->local->tx_handlers_drop); if (tx->skb) - dev_kfree_skb(tx->skb); + ieee80211_free_txskb(&tx->local->hw, tx->skb); else __skb_queue_purge(&tx->skbs); return -1; @@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata, res_prepare = ieee80211_tx_prepare(sdata, &tx, skb); if (unlikely(res_prepare == TX_DROP)) { - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); goto out; } else if (unlikely(res_prepare == TX_QUEUED)) { goto out; @@ -1465,7 +1465,7 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) headroom = max_t(int, 0, headroom); if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) { - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); rcu_read_unlock(); return; } @@ -2050,8 +2050,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, head_need += IEEE80211_ENCRYPT_HEADROOM; head_need += local->tx_headroom; head_need = max_t(int, 0, head_need); - if (ieee80211_skb_resize(sdata, skb, head_need, true)) - goto fail; + if (ieee80211_skb_resize(sdata, skb, head_need, true)) { + ieee80211_free_txskb(&local->hw, skb); + return NETDEV_TX_OK; + } } if (encaps_data) { @@ -2184,7 +2186,7 @@ void ieee80211_tx_pending(unsigned long data) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (WARN_ON(!info->control.vif)) { - kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); continue; } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 22ca350..2393918 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -406,7 +406,7 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local, int queue = info->hw_queue; if (WARN_ON(!info->control.vif)) { - kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); return; } @@ -431,7 +431,7 @@ void ieee80211_add_pending_skbs_fn(struct ieee80211_local *local, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (WARN_ON(!info->control.vif)) { - kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); continue; } @@ -643,13 +643,41 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, break; } - if (id != WLAN_EID_VENDOR_SPECIFIC && - id != WLAN_EID_QUIET && - test_bit(id, seen_elems)) { - elems->parse_error = true; - left -= elen; - pos += elen; - continue; + switch (id) { + case WLAN_EID_SSID: + case WLAN_EID_SUPP_RATES: + case WLAN_EID_FH_PARAMS: + case WLAN_EID_DS_PARAMS: + case WLAN_EID_CF_PARAMS: + case WLAN_EID_TIM: + case WLAN_EID_IBSS_PARAMS: + case WLAN_EID_CHALLENGE: + case WLAN_EID_RSN: + case WLAN_EID_ERP_INFO: + case WLAN_EID_EXT_SUPP_RATES: + case WLAN_EID_HT_CAPABILITY: + case WLAN_EID_HT_OPERATION: + case WLAN_EID_VHT_CAPABILITY: + case WLAN_EID_VHT_OPERATION: + case WLAN_EID_MESH_ID: + case WLAN_EID_MESH_CONFIG: + case WLAN_EID_PEER_MGMT: + case WLAN_EID_PREQ: + case WLAN_EID_PREP: + case WLAN_EID_PERR: + case WLAN_EID_RANN: + case WLAN_EID_CHANNEL_SWITCH: + case WLAN_EID_EXT_CHANSWITCH_ANN: + case WLAN_EID_COUNTRY: + case WLAN_EID_PWR_CONSTRAINT: + case WLAN_EID_TIMEOUT_INTERVAL: + if (test_bit(id, seen_elems)) { + elems->parse_error = true; + left -= elen; + pos += elen; + continue; + } + break; } if (calc_crc && id < 64 && (filter & (1ULL << id))) diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index bdb53ab..8bd2f5c 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -106,7 +106,8 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) if (status->flag & RX_FLAG_MMIC_ERROR) goto mic_fail; - if (!(status->flag & RX_FLAG_IV_STRIPPED) && rx->key) + if (!(status->flag & RX_FLAG_IV_STRIPPED) && rx->key && + rx->key->conf.cipher == WLAN_CIPHER_SUITE_TKIP) goto update_iv; return RX_CONTINUE; @@ -545,14 +546,19 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx) static void bip_aad(struct sk_buff *skb, u8 *aad) { + __le16 mask_fc; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + /* BIP AAD: FC(masked) || A1 || A2 || A3 */ /* FC type/subtype */ - aad[0] = skb->data[0]; /* Mask FC Retry, PwrMgt, MoreData flags to zero */ - aad[1] = skb->data[1] & ~(BIT(4) | BIT(5) | BIT(6)); + mask_fc = hdr->frame_control; + mask_fc &= ~cpu_to_le16(IEEE80211_FCTL_RETRY | IEEE80211_FCTL_PM | + IEEE80211_FCTL_MOREDATA); + put_unaligned(mask_fc, (__le16 *) &aad[0]); /* A1 || A2 || A3 */ - memcpy(aad + 2, skb->data + 4, 3 * ETH_ALEN); + memcpy(aad + 2, &hdr->addr1, 3 * ETH_ALEN); } |